Consider a device with one inlet and one outlet
Consider a device with one inlet and one outlet. If the volume flow rates at the inlet and at the outlet are the same, is the flow through this device necessarily steady? Why?
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A long cylinder of radius ro=20cm, and thermal conductivity k=3 w/mK is immersed in a fluid of convection coefficient h=30W/m2K and the unknown temperature T∞.
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A manufacturer claims that the batteries it makes will last 18 hours, with a standard deviation of 1.5 hours. If the durations of the batteries are normally distributed, what proportion of batteries would be expected to last less than 16 hours?
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